feat: 环境变量配置

.env.example

@@ -0,0 +1 @@
+SERVER_PORT = 7004                                      # 服务启动端口

.gitignore

@@ -1,2 +1,3 @@
 __pycache__
 .idea
+.env

app/config/env.py

@@ -0,0 +1,13 @@
+from pydantic_settings import BaseSettings
+from pydantic import Field
+
+
+class EnvSettings(BaseSettings):
+  server_port: int = Field(..., env="SERVER_PORT")
+
+  class Config:
+    env_file = ".env"
+    env_file_encoding = "utf-8"
+
+
+env = EnvSettings()

main.py

@@ -13,6 +13,8 @@ from langserve import add_routes
 from pydantic import BaseModel, Field
 from starlette.staticfiles import StaticFiles
 
+from app.config.env import env
+
 app = FastAPI(
   docs_url=None,  # 禁用默认 Swagger
   redoc_url=None,  # 禁用默认 ReDoc
@@ -107,4 +109,4 @@ add_routes(app=app, runnable=model, path="/qwen")
 if __name__ == "__main__":
   import uvicorn
 
-  uvicorn.run(app, host="localhost", port=8000)
+  uvicorn.run(app, host="localhost", port=env.server_port)

poetry.lock

@@ -1278,6 +1278,35 @@ type = "legacy"
 url = "https://pypi.tuna.tsinghua.edu.cn/simple"
 reference = "tsinghua"
 
+[[package]]
+name = "pydantic-settings"
+version = "2.10.1"
+description = "Settings management using Pydantic"
+optional = false
+python-versions = ">=3.9"
+groups = ["main"]
+files = [
+    {file = "pydantic_settings-2.10.1-py3-none-any.whl", hash = "sha256:a60952460b99cf661dc25c29c0ef171721f98bfcb52ef8d9ea4c943d7c8cc796"},
+    {file = "pydantic_settings-2.10.1.tar.gz", hash = "sha256:06f0062169818d0f5524420a360d632d5857b83cffd4d42fe29597807a1614ee"},
+]
+
+[package.dependencies]
+pydantic = ">=2.7.0"
+python-dotenv = ">=0.21.0"
+typing-inspection = ">=0.4.0"
+
+[package.extras]
+aws-secrets-manager = ["boto3 (>=1.35.0)", "boto3-stubs[secretsmanager]"]
+azure-key-vault = ["azure-identity (>=1.16.0)", "azure-keyvault-secrets (>=4.8.0)"]
+gcp-secret-manager = ["google-cloud-secret-manager (>=2.23.1)"]
+toml = ["tomli (>=2.0.1)"]
+yaml = ["pyyaml (>=6.0.1)"]
+
+[package.source]
+type = "legacy"
+url = "https://pypi.tuna.tsinghua.edu.cn/simple"
+reference = "tsinghua"
+
 [[package]]
 name = "pygments"
 version = "2.19.2"
@@ -1298,6 +1327,26 @@ type = "legacy"
 url = "https://pypi.tuna.tsinghua.edu.cn/simple"
 reference = "tsinghua"
 
+[[package]]
+name = "python-dotenv"
+version = "1.2.2"
+description = "Read key-value pairs from a .env file and set them as environment variables"
+optional = false
+python-versions = ">=3.10"
+groups = ["main"]
+files = [
+    {file = "python_dotenv-1.2.2-py3-none-any.whl", hash = "sha256:1d8214789a24de455a8b8bd8ae6fe3c6b69a5e3d64aa8a8e5d68e694bbcb285a"},
+    {file = "python_dotenv-1.2.2.tar.gz", hash = "sha256:2c371a91fbd7ba082c2c1dc1f8bf89ca22564a087c2c287cd9b662adde799cf3"},
+]
+
+[package.extras]
+cli = ["click (>=5.0)"]
+
+[package.source]
+type = "legacy"
+url = "https://pypi.tuna.tsinghua.edu.cn/simple"
+reference = "tsinghua"
+
 [[package]]
 name = "pyyaml"
 version = "6.0.3"
@@ -2248,4 +2297,4 @@ reference = "tsinghua"
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.11"
-content-hash = "a1f12334c250157e041485cd09a83b9ad4f4615efe41dee682ee865c20726b7c"
+content-hash = "cbd4a418461762ae481010557464342047763af195aba7f234f0e1e5b670bc27"

pyproject.toml

@@ -15,6 +15,7 @@ langserve = {extras = ["server"], version = ">=0.3.0,<0.4.0"}  # 更新到v0.3.0
 pydantic = "2.10.6"
 langgraph = "^1.1.3"
 langchain = {extras = ["openai"], version = "^1.2.13"}
+pydantic-settings = "2.10.1"
 
 
 [tool.poetry.group.dev.dependencies]